destinations = ['beijing', 'xian', 'luoyang', 'xizang', 'erhai']
print(destinations)

print('sorted')
print(sorted(destinations))
print(destinations)

print(sorted(destinations, reverse=True))
print(destinations)

print('reverse')
destinations.reverse()
print(destinations)

destinations.reverse()
print(destinations)

print('sort')
destinations.sort()
print(destinations)

destinations.sort(reverse=True)
print(destinations)